Home / 236,412,042.40-354,618,063.60-145,712,778.40

Finding the Fourth Proportional to 236,412,042.40, 354,618,063.60 and 145,712,778.40

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Solution

The fourth proportional to 236,412,042.40, 354,618,063.60 and 145,712,778.40 is: 218,569,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,412,042.40 : 354,618,063.60 = 145,712,778.40 : x
  2. Step 2: Convert to fraction form
    236,412,042.40/354,618,063.60 = 145,712,778.40/x
  3. Step 3: Cross multiply
    236,412,042.40x = 354,618,063.60 × 145,712,778.40
  4. Step 4: Simplify right side
    236,412,042.40x = 51,672,383,317,983,912
  5. Step 5: Solve for x
    x = 51,672,383,317,983,912/236,412,042.40
  6. Step 6: Final answer
    x = 218,569,167.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.